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on 15 Nov 2024
Dongsheng Wen
2251828 · 13 Apr 2023
009
Battery chargers for cell phones; chargers for electric accumulators; ...
on 17 Nov 2016
POREXTHERM DÄMMSTOFFE GMBH
1742483 · 19 Aug 2015
017
Heat-insulating materials, namely inorganic high temperature thermal i...
on 21 Sep 2009
POREXTHERM DÄMMSTOFFE GMBH
1400592 · 20 Jun 2008
017
Heat-insulating materials, namely, inorganic material in the form of p...
on 10 Sep 2008
WACKER CHEMIE AG
1160341 · 26 Nov 2002
017
Heat-insulating materials, namely inorganic material in the form of pl...
on 26 Sep 1997
DIVERSITY TECHNOLOGIES CORPORATION
818865 · 26 Jul 1996
001
Drilling supplies, namely drilling fluid additives.
on 07 Jan 1998
DIVERSITY TECHNOLOGIES CORPORATION
819108 · 26 Jul 1996
007
035
...
Drilling supplies, namely drilling fluid additives, water pipe heaters...
on 31 Dec 1969
WESTERN DATA SYSTEMS OF NEVADA INC.
739423 · 20 Oct 1993
001
009
...
Computer programs to facilitate contract management and manufacturing ...
on 15 Feb 1994
WESTERN DATA SYSTEMS INC.
736150 · 03 Sep 1993
009
Computer programs for contract management and manufacturing and user m...
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Diversity technologies corporation (2)
Porextherm dämmstoffe gmbh (2)
Data systems & management inc. a minnesota corporation (1)
Dongsheng wen (1)
Wacker chemie ag (1)
Western data systems inc. (1)
Western data systems of nevada inc. (1)
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Correspondents
Smart & biggar lp (4)
Marks & clerk (2)
Osler, hoskin & harcourt llp (1)
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